Fast Physics Facts

A moving object's __________ is its mass times its velocity. It is in the direction of motion.

• momentum

• impulse

• inelastic collision

• elastic collision

__________ is possessed by any moving object.

• Translational kinetic energy

• Rotational kinetic energy

• Kinetic energy

• Gravitational potential energy

• Elastic potential energy

__________ is energy stored by a spring.

• Translational kinetic energy

• Rotational kinetic energy

• Kinetic energy

• Gravitational potential energy

• Elastic potential energy

The formula for elastic potential energy is

• =1/2mv²

• =1/2Iω²

• =mgh

• =-GM₁M₂/d

• =1/2kx²

Mechanical energy refers to the sum of which energies?

• potential

• kinetic

• thermal

• translational

On a force-displacement graph, work is the...

• vertical axis.

• horizontal axis.

• slope.

• area under the curve.

______________ indicates how far an object ends from its initial position, regardless of its total distance traveled.

• Displacement

• Distance

• Position

______________ is displacement divided by the time interval over which that displacement occurred.

• Average velocity

• Instantaneous velocity

• Average speed

• Instantaneous speed

______________ is how fast an object is moving at a specific moment in time with reference to directionality.

• Average velocity

• Instantaneous velocity

• Average speed

• Instantaneous speed

To determine how fast an object is moving, look at the _____________ of the position-time graph.

• horizontal axis

• vertical axis

• area under the curve

• slope